Ключевые слова: anatomy, blackboard, blank, board, body, care, chalk, chalkboard, class, design, digestion, digestive, donor, draw, drawn, education, handwriting, health, healthy, illness, image, internal, isolated, lesson, line, lineart, lithography, medical, medicine, old, oldfashioned, organ, organism, oval, physiology, retro, school, sketch, stomach, texture, treatment, vein, vessels, white, write,